21275160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10429}}^1$

素因数の和:10460

約数の個数: 64

約数和(自身を含む): 67586400

約数和(自身を除く): 46311240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10429, 20858, 31287, 41716, 52145, 62574, 83432, 104290, 125148, 156435, 177293, 208580, 250296, 312870, 354586, 417160, 531879, 625740, 709172, 886465, 1063758, 1251480, 1418344, 1772930, 2127516, 2659395, 3545860, 4255032, 5318790, 7091720, 10637580, 21275160]

約数ペア:

[(1, 21275160), (2, 10637580), (3, 7091720), (4, 5318790), (5, 4255032), (6, 3545860), (8, 2659395), (10, 2127516), (12, 1772930), (15, 1418344), (17, 1251480), (20, 1063758), (24, 886465), (30, 709172), (34, 625740), (40, 531879), (51, 417160), (60, 354586), (68, 312870), (85, 250296), (102, 208580), (120, 177293), (136, 156435), (170, 125148), (204, 104290), (255, 83432), (340, 62574), (408, 52145), (510, 41716), (680, 31287), (1020, 20858), (2040, 10429)]